Human number line activity to teach concept of tolerance in absolute value word problems - such a gorgeous day! #teach180 #oneCCPS http://pic.twitter.com/YXGLQRI3pi
— Mary Williams (@merryfwilliams) September 20, 2017
Human number line activity to teach concept of tolerance in absolute value word problems - such a gorgeous day! #teach180 #oneCCPS http://pic.twitter.com/YXGLQRI3pi
— Mary Williams (@merryfwilliams) September 20, 2017
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